<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>导入JavaScript插件</title>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
</head>
<body>
<button class="btn btn-primary" type="button">点击我</button>
<div class="modal fade" id="mymodal">
    <div class="modal-dialog">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>
            <h4 class="modal-title">模态弹出窗标题</h4>
          </div>
          <div class="modal-body">
            <p>模态弹出窗主体内容</p>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
            <button type="button" class="btn btn-primary">保存</button>
          </div>
        </div><!-- /.modal-content -->
	</div><!-- /.modal-dialog -->
</div><!-- /.modal -->

<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> 
<script>
  $(function(){
    $(".btn").click(function(){
      $("#mymodal").modal("toggle");
    });
  });
</script>
</body>
</html>